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This quiz contains 8 questions from a mix of 1 subtopics.
What is the purpose of DNA probes?
to visualise DNA under UV light
to identify specific alleles
to separate DNA strands
to digest DNA into fragments
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What do DNA microarrays allow for?
simultaneous screening of many genes
fragmentation of DNA samples
immobilisation of DNA probes
all of the above
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Which of the following is true about DNA microarrays?
(Select all that apply)
they use RNA probes arranged in a grid
DNA fragments that match probes will hybridise
fluorescent spots indicate the presence of specific DNA fragments
they cannot be used to compare genes in different species
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What is NOT an application of DNA probing in genetic screening?
identifying genetic disorders
determining response to certain drugs
evaluating susceptibility to diseases
directly curing non-genetic disorders
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Which of the following is NOT a part of the genetic counselling process?
offering information on preventive measures or treatments
making decisions on behalf of the individual
clarifying the results and likelihood of associated diseases
discussing the significance of screening tests
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Which of the following is NOT a way gene therapy seeks to correct genetic disorders?
focusing on reproductive cells to create designer babies
silencing defective dominant alleles
adding a working dominant allele
using vectors to transport healthy alleles into cells
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Which statements apply to DNA probes?
(Select all that apply)
short, labelled, double strands of DNA
able to identify specific alleles by binding to complementary DNA sequences
used to determine if an individual carries a mutated allele
all of the above
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What is the term for the process of DNA probe binding with the target sequence?
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